857211240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 128

約数和(自身を含む): 2625333120

約数和(自身を除く): 1768121880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 107, 120, 202, 214, 303, 321, 404, 428, 505, 535, 606, 642, 661, 808, 856, 1010, 1070, 1212, 1284, 1322, 1515, 1605, 1983, 2020, 2140, 2424, 2568, 2644, 3030, 3210, 3305, 3966, 4040, 4280, 5288, 6060, 6420, 6610, 7932, 9915, 10807, 12120, 12840, 13220, 15864, 19830, 21614, 26440, 32421, 39660, 43228, 54035, 64842, 66761, 70727, 79320, 86456, 108070, 129684, 133522, 141454, 162105, 200283, 212181, 216140, 259368, 267044, 282908, 324210, 333805, 353635, 400566, 424362, 432280, 534088, 565816, 648420, 667610, 707270, 801132, 848724, 1001415, 1060905, 1296840, 1335220, 1414540, 1602264, 1697448, 2002830, 2121810, 2670440, 2829080, 4005660, 4243620, 7143427, 8011320, 8487240, 14286854, 21430281, 28573708, 35717135, 42860562, 57147416, 71434270, 85721124, 107151405, 142868540, 171442248, 214302810, 285737080, 428605620, 857211240]

約数ペア:

[(1, 857211240), (2, 428605620), (3, 285737080), (4, 214302810), (5, 171442248), (6, 142868540), (8, 107151405), (10, 85721124), (12, 71434270), (15, 57147416), (20, 42860562), (24, 35717135), (30, 28573708), (40, 21430281), (60, 14286854), (101, 8487240), (107, 8011320), (120, 7143427), (202, 4243620), (214, 4005660), (303, 2829080), (321, 2670440), (404, 2121810), (428, 2002830), (505, 1697448), (535, 1602264), (606, 1414540), (642, 1335220), (661, 1296840), (808, 1060905), (856, 1001415), (1010, 848724), (1070, 801132), (1212, 707270), (1284, 667610), (1322, 648420), (1515, 565816), (1605, 534088), (1983, 432280), (2020, 424362), (2140, 400566), (2424, 353635), (2568, 333805), (2644, 324210), (3030, 282908), (3210, 267044), (3305, 259368), (3966, 216140), (4040, 212181), (4280, 200283), (5288, 162105), (6060, 141454), (6420, 133522), (6610, 129684), (7932, 108070), (9915, 86456), (10807, 79320), (12120, 70727), (12840, 66761), (13220, 64842), (15864, 54035), (19830, 43228), (21614, 39660), (26440, 32421)]